DE4309901B4 - Hydraulic actuator - especially for a motor vehicle friction clutch - Google Patents
Hydraulic actuator - especially for a motor vehicle friction clutch Download PDFInfo
- Publication number
- DE4309901B4 DE4309901B4 DE4309901A DE4309901A DE4309901B4 DE 4309901 B4 DE4309901 B4 DE 4309901B4 DE 4309901 A DE4309901 A DE 4309901A DE 4309901 A DE4309901 A DE 4309901A DE 4309901 B4 DE4309901 B4 DE 4309901B4
- Authority
- DE
- Germany
- Prior art keywords
- control valve
- hydraulic
- slave cylinder
- actuator according
- hydraulic pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/46—Signals to a clutch outside the gearbox
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/02—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D29/00—Clutches and systems of clutches involving both fluid and magnetic actuation
- F16D29/005—Clutches and systems of clutches involving both fluid and magnetic actuation with a fluid pressure piston driven by an electric motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
- F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0203—Control by fluid pressure with an accumulator; Details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0212—Details of pistons for master or slave cylinders especially adapted for fluid control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0227—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices
- F16D2048/0233—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices by rotary pump actuation
- F16D2048/0245—Electrically driven rotary pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
- F16D2048/0278—Two valves in series arrangement for controlling supply to actuation cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
- F16D2048/0281—Complex circuits with more than two valves in series or special arrangements thereof not provided for in previous groups
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/302—Signal inputs from the actuator
- F16D2500/3026—Stroke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H2061/2823—Controlling actuator force way characteristic, i.e. controlling force or movement depending on the actuator position, e.g. for adapting force to synchronisation and engagement of gear clutch
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
- F16H2061/305—Accumulators for fluid supply to the servo motors, or control thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
- F16H2061/308—Modular hydraulic shift units, i.e. preassembled actuator units for select and shift movements adapted for being mounted on transmission casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/2807—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted using electric control signals for shift actuators, e.g. electro-hydraulic control therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Hydraulischer Stellantrieb, insbesondere für eine Kraftfahrzeug-Reibungskupplung, bestehend aus einem Elektromotor, einer vom Elektromotor angetriebenen Hydraulikpumpe, einem von der Hydraulikpumpe gespeisten Hydraulik-Druckspeicher und einem über ein als steuerbares Proportionalventil oder getaktetes Schaltventil ausgeführtes Steuerventil mit dem Hydraulik-Druckspeicher verbundenen Stellzylinder, wobei der Elektromotor, die Hydraulikpumpe, der Hydraulik-Druckspeicher, das Steuerventil und der Stellzylinder in einem Antriebsmodul integriert sind und wobei Kanalverbindungen zur hydraulischen Verbindung des Hydraulik-Druckspeichers mit der Hydraulikpumpe und dem Steuerventil, sowie zur Verbindung des Steuerventiles mit dem Stellzylinder vorgesehen sind, nach PatAnm Nr. P 42 37 853.2, dadurch gekennzeichnet, daß im Antriebsmodul (9) mindestens ein weiteres Steuerventil (11a, 11b) vorgesehen ist, welches durch Kanalverbindungen im Antriebsmodul mit dem Hydraulik-Druckspeicher (6) verbunden ist und mindestens einen Nehmerzylinder (12a, 12b) zur Steuerung eines Schaltgetriebes eines Kraftfahrzeuges beaufschlagt.Hydraulic actuator, in particular for a motor vehicle friction clutch, consisting of an electric motor, a driven by the electric motor hydraulic pump, fed by the hydraulic pump hydraulic pressure accumulator and a control valve designed as a controllable proportional valve or clocked control valve with the hydraulic pressure accumulator actuating cylinder, wherein the electric motor, the hydraulic pump, the hydraulic pressure accumulator, the control valve and the actuating cylinder are integrated in a drive module and wherein channel connections for hydraulic connection of the hydraulic accumulator with the hydraulic pump and the control valve, as well as for connecting the control valve to the actuating cylinder are provided after PatAnm No. P 42 37 853.2, characterized in that in the drive module (9) at least one further control valve (11a, 11b) is provided verbu by channel connections in the drive module with the hydraulic pressure accumulator (6) Nden and at least one slave cylinder (12a, 12b) acted on to control a gearbox of a motor vehicle.
Description
Die Erfindung bezieht sich auf einen hydraulischen Stellantrieb, insbesondere für eine Kraftfahrzeug-Reibungskupplung, bestehend aus einem Elektromotor, einer vom Elektromotor angetriebenen Hydraulikpumpe, einem von der Hydraulikpumpe gespeisten Hydraulik-Druckspeicher und einem über ein Steuerventil, insbesondere ein steuerbares Proportionalventil oder ein getaktetes Schaltventil, mit dem Hydraulik-Druckspeicher verbundenen Stellzylinder gemäß dem Oberbegriff des Anspruchs 1.The The invention relates to a hydraulic actuator, in particular for one Motor vehicle friction clutch, consisting of an electric motor, a driven by the electric motor hydraulic pump, one of the Hydraulic pump powered hydraulic accumulator and one over Control valve, in particular a controllable proportional valve or a clocked switching valve, associated with the hydraulic accumulator actuating cylinder according to the generic term of claim 1.
Nach der PatAnm Nr. P 42 37 853.2 sind dabei der Elektromotor, die Hydraulikpumpe, der Hydraulik-Druckspeicher, das Steuerventil und der Stellzylinder zu einem Antriebsmodul zusammengebaut, welches Kanäle zur Verbindung des Hydraulik Druckspeichers mit der Hydraulikpumpe und dem Steuerventil sowie zur Verbindung des Steuerventiles mit dem Stellzylinder enthält.To PatAnm no. P 42 37 853.2 are the electric motor, the hydraulic pump, the hydraulic pressure accumulator, the control valve and the actuating cylinder assembled to a drive module, which channels for connection the hydraulic pressure accumulator with the hydraulic pump and the control valve and to connect the control valve with the actuating cylinder contains.
Ein solches Antriebsmodul bildet eine für sich bereits betriebsfähige Einheit, so daß das Antriebsmodul bereits vor dem Einbauen ins Kraftfahrzeug auf Funktionsfähigkeit überprüft werden kann. Das Modul bildet eine kompakte Baueinheit, die sich auch unter beengten Platzverhältnissen problemlos an einer mehr oder weniger beliebigen Stelle des Kraftfahrzeuges unterbringen läßt.One such drive module forms a unit that is already operational for itself, so that Drive module to be checked for operability before installation in the vehicle can. The module forms a compact unit, which is also under cramped space easily at a more or less arbitrary location of the motor vehicle can accommodate.
Weiterhin
ist aus der
Aufgabe der Erfindung ist es, einen einfach zu montierenden hydraulischen Stellantrieb für eine Reibungskupplung zu schaffen, der darüber hinaus noch zur Steuerung eines Schaltgetriebes herangezogen werden kann.task The invention is an easy to install hydraulic Actuator for to create a friction clutch, in addition to the control a gearbox can be used.
Zur Lösung dieser Aufgabe ist erfindungsgemäß ein hydraulischer Stellantrieb vorgesehen, bestehend aus einem Elektromotor, einer vom Elektromotor angetriebenen Hydraulikpumpe, einem von der Hydraulikpumpe gespeisten Hydraulik-Druckspeicher und einem über ein als steuerbares Proportionalventil oder getaktetes Schaltventil ausgeführtes Steuerventil mit dem Hydraulik-Druckspeicher verbundenen Stellzylinder, wobei der Elektromotor, die Hydraulikpumpe, der Hydraulik-Druckspeicher, das Steuerventil und der Stellzylinder in einem Antriebsmodul integriert sind und wobei Kanalverbindungen zur hydraulischen Verbindung des Hydraulik-Druckspeichers mit der Hydraulikpumpe und dem Steuerventil, sowie zur Verbindung des Steuerventils mit dem Stellzylinder vorgesehen sind, und wobei im Antriebsmodul mindestens ein weiteres Steuerventil vorgesehen ist, welches durch Kanalverbindungen im Antriebsmodul mit dem Hydraulik-Druckspeicher verbunden ist und mindestens einen Nehmerzylinder zur Steuerung eines Schaltgetriebes eines Kraftfahrzeuges beaufschlagt.to solution This object is inventively a hydraulic Actuator provided, consisting of an electric motor, a driven by the electric motor hydraulic pump, one of the hydraulic pump powered hydraulic accumulator and one over as a controllable proportional valve or clocked switching valve executed control valve with the hydraulic accumulator connected actuating cylinder, wherein the electric motor, the hydraulic pump, the hydraulic pressure accumulator, the control valve and the actuating cylinder are integrated in a drive module and wherein channel connections to the hydraulic connection of the hydraulic pressure accumulator with the hydraulic pump and the control valve, as well as to the connection the control valve are provided with the actuating cylinder, and wherein provided in the drive module at least one further control valve which is connected by channel connections in the drive module with the hydraulic pressure accumulator is and at least one slave cylinder to control a gearbox a motor vehicle acted upon.
Hierbei ist von Vorteil, dass mit einfachen Mitteln eine hydraulische Kupplungs- und Getriebebetätigung geschaffen werden kann, so dass eine herkömmliche Trockenkupplung und ein herkömmliches Stufenschaltgetriebe automatisiert angesteuert werden kann. Ein derartiger Stellantrieb lässt sich so auslegen, dass er für Fahrzeugtypen verschiedenster Art einsetzbar ist, wobei die Anpassung an unterschiedliche Kupplungen und unterschiedliche Getriebeausführungen über die Nehmerzylinder der Kupplung bzw. des Getriebes erfolgt.in this connection It is advantageous that by simple means a hydraulic coupling and transmission actuation can be created so that a conventional dry clutch and a conventional one Stepped gearbox can be controlled automatically. One such actuator leaves to interpret himself as being for Vehicle types of various kinds can be used, the adaptation to different clutches and different transmission designs over the Slave cylinder of the clutch or the transmission takes place.
Nach einem weiteren wesentlichen Merkmal ist vorgesehen, dass als Steuerventil mindestens ein Druckregelventil vorgesehen ist.To Another essential feature is provided that as a control valve at least one pressure regulating valve is provided.
In einer weiteren Ausgestaltung ist vorgesehen, dass das Steuerventil über eine hydraulische Verbindung mit einem hydraulischen Nehmerzylinder zur Einstellung der Gassenwahl und/oder Gangeinlegung verbunden ist.In a further embodiment it is provided that the control valve via a Hydraulic connection with a hydraulic slave cylinder for Setting the lane selection and / or gear engagement is connected.
Eine weitere Ausführungsform sieht vor, dass zur Einstellung der Gassenwahl und/oder Gangeinlegung jeweils ein Steuerventil und ein Nehmerzylinder vorhanden sind. Hierbei ist von Vorteil, dass über diese Steuerventile die Nehmerzylinder am Getriebe angesteuert werden und zur Gassenwahl und Gangeinlegung hydraulisch beaufschlagt werden.A another embodiment provides that to adjust the lane selection and / or gear engagement in each case a control valve and a slave cylinder are present. It is advantageous that over these control valves are driven to the slave cylinder on the transmission and hydraulically applied to the lane selection and gear engagement.
Zur Positionierung der Nehmerzylinder sind Sensoren vorgesehen, wobei über lineare Wegaufnehmer eine Erfassung der Position des Kolbens des Nehmerzylinders vorgenommen und lagegeregelt wird. Die hydraulische Versorgung und die Steuerventile bilden somit eine prüfbare Einheit.to Positioning of the slave cylinder sensors are provided, using linear Transducer a detection of the position of the piston of the slave cylinder is made and position controlled. The hydraulic supply and the control valves thus form a testable unit.
In Ausgestaltung der Erfindung ist vorgesehen, dass bei Verwendung eines Druckregelventiles als Steuerventil der Nehmerzylinder je nach Fahrsituation oder Betriebszustand mit einem variablen Betriebsdruck beaufschlagbar ist. Mit dieser Ausführungsform wird bei Verwendung des Druckregelventiles für die Gangeinlegung ein entsprechender Solldruck und damit eine entsprechende Schaltkraft vorgegeben und läßt sich je nach Fahrsituation bzw. Betriebszustand variabel gestalten.In Embodiment of the invention is provided that when using a pressure control valve as a control valve of the slave cylinder ever according to driving situation or operating condition with a variable operating pressure can be acted upon. With this embodiment, in use of the pressure control valve for the gear input a corresponding target pressure and thus a corresponding Switching force predetermined and can be variable depending on the driving situation or operating condition.
Eine günstige Ausführungsform sieht vor, daß bei Verwendung eines Druckregelventiles und eines Wegsensors der Nehmerzylinder situationsabhängig mit einer Drucksteuerung oder einer Lageregelung beaufschlagt ist.A favorable embodiment provides that at Use of a pressure control valve and a displacement sensor of the slave cylinder depending on the situation is acted upon by a pressure control or a position control.
Bevorzugte Ausführungsbeispiele der Erfindung sind in den Zeichnungen schematisch dargestellt. Es zeigt:preferred embodiments The invention are shown schematically in the drawings. It shows:
Die
Kupplung
Die
Vorlaufleitung
In
In
Claims (8)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4309901A DE4309901B4 (en) | 1992-11-10 | 1993-03-26 | Hydraulic actuator - especially for a motor vehicle friction clutch |
BR9401211A BR9401211A (en) | 1993-03-26 | 1994-03-18 | Adjustable hydraulic drive, particularly for a friction clutch for motor vehicles |
FR9403410A FR2703007B1 (en) | 1993-03-26 | 1994-03-23 | Hydraulic control assembly, in particular for a friction clutch of a motor vehicle. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4237853A DE4237853C2 (en) | 1992-11-10 | 1992-11-10 | Hydraulic actuator, in particular for a motor vehicle friction clutch |
DE4309901A DE4309901B4 (en) | 1992-11-10 | 1993-03-26 | Hydraulic actuator - especially for a motor vehicle friction clutch |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4309901A1 DE4309901A1 (en) | 1994-09-29 |
DE4309901B4 true DE4309901B4 (en) | 2010-07-01 |
Family
ID=6483956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4309901A Expired - Fee Related DE4309901B4 (en) | 1992-11-10 | 1993-03-26 | Hydraulic actuator - especially for a motor vehicle friction clutch |
Country Status (3)
Country | Link |
---|---|
BR (1) | BR9401211A (en) |
DE (1) | DE4309901B4 (en) |
FR (1) | FR2703007B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103459898A (en) * | 2011-04-11 | 2013-12-18 | Zf腓德烈斯哈芬股份公司 | Method for controlling an automated transmission |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4401021C2 (en) * | 1993-01-21 | 1997-01-16 | Lee Eun Sung | Building board |
BR9606511A (en) * | 1995-07-12 | 1998-06-09 | Luk Getriebe Systeme Gmbh | Activation device |
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-
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- 1994-03-18 BR BR9401211A patent/BR9401211A/en not_active IP Right Cessation
- 1994-03-23 FR FR9403410A patent/FR2703007B1/en not_active Expired - Fee Related
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CN103459898A (en) * | 2011-04-11 | 2013-12-18 | Zf腓德烈斯哈芬股份公司 | Method for controlling an automated transmission |
CN103459898B (en) * | 2011-04-11 | 2016-01-06 | Zf腓德烈斯哈芬股份公司 | For the method for auto-control manual transmission |
Also Published As
Publication number | Publication date |
---|---|
FR2703007A1 (en) | 1994-09-30 |
DE4309901A1 (en) | 1994-09-29 |
FR2703007B1 (en) | 1995-07-13 |
BR9401211A (en) | 1994-11-08 |
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